nsXULTreeAccessibleWrap.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- *//* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Corp. * Portions created by the Initial Developer are Copyright (C) 2003 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Aaron Leventhal * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */#include "nsXULTreeAccessibleWrap.h"#include "nsTextFormatter.h"#include "nsIFrame.h"// --------------------------------------------------------// nsXULTreeAccessibleWrap// --------------------------------------------------------
nsXULTreeAccessibleWrap::nsXULTreeAccessibleWrap(nsIDOMNode *aDOMNode, nsIWeakReference *aShell):
nsXULTreeAccessible(aDOMNode, aShell)
{
}
NS_IMETHODIMP nsXULTreeAccessibleWrap::GetRole(PRUint32 *aRole)
{
NS_ENSURE_STATE(mTree);
nsCOMPtr<nsITreeColumns> cols;
mTree->GetColumns(getter_AddRefs(cols));
nsCOMPtr<nsITreeColumn> primaryCol;
if (cols) {
cols->GetPrimaryColumn(getter_AddRefs(primaryCol));
}
// No primary column means we're in a list// In fact, history and mail turn off the primary flag when switching to a flat view
*aRole = primaryCol ? nsIAccessibleRole::ROLE_OUTLINE :
nsIAccessibleRole::ROLE_LIST;
return NS_OK;
}
// --------------------------------------------------------// nsXULTreeitemAccessibleWrap Accessible// --------------------------------------------------------
nsXULTreeitemAccessibleWrap::nsXULTreeitemAccessibleWrap(nsIAccessible *aParent,
nsIDOMNode *aDOMNode,
nsIWeakReference *aShell,
PRInt32 aRow,
nsITreeColumn* aColumn) :
nsXULTreeitemAccessible(aParent, aDOMNode, aShell, aRow, aColumn)
{
}
NS_IMETHODIMP nsXULTreeitemAccessibleWrap::GetRole(PRUint32 *aRole)
{
// No primary column means we're in a list// In fact, history and mail turn off the primary flag when switching to a flat view
NS_ENSURE_STATE(mColumn);
PRBool isPrimary = PR_FALSE;
mColumn->GetPrimary(&isPrimary);
*aRole = isPrimary ? nsIAccessibleRole::ROLE_OUTLINEITEM :
nsIAccessibleRole::ROLE_LISTITEM;
return NS_OK;
}
NS_IMETHODIMP nsXULTreeitemAccessibleWrap::GetBounds(PRInt32 *x, PRInt32 *y, PRInt32 *width, PRInt32 *height)
{
nsresult rv = nsXULTreeitemAccessible::GetBounds(x, y, width, height);
if (NS_FAILED(rv)) {
return rv;
}
nsIFrame *frame = GetFrame();
if (frame) {
// Will subtract first cell's start x from total width
PRInt32 cellStartX, cellStartY;
NS_ENSURE_STATE(mTree);
mTree->GetCoordsForCellItem(mRow, mColumn, EmptyCString(), &cellStartX, &cellStartY, width, height);
// Use entire row width, not just key column's width
*width = GetPresContext()->AppUnitsToDevPixels(frame->GetRect().width) -
cellStartX;
}
return NS_OK;
}
NS_IMETHODIMP nsXULTreeitemAccessibleWrap::GetName(nsAString& aName)
{
NS_ENSURE_STATE(mTree);
nsCOMPtr<nsITreeColumns> cols;
mTree->GetColumns(getter_AddRefs(cols));
if (!cols) {
return NS_OK;
}
nsCOMPtr<nsITreeColumn> column;
cols->GetFirstColumn(getter_AddRefs(column));
while (column) {
nsAutoString colText;
mTreeView->GetCellText(mRow, column, colText);
aName += colText + NS_LITERAL_STRING(" ");
nsCOMPtr<nsITreeColumn> nextColumn;
column->GetNext(getter_AddRefs(nextColumn));
column = nextColumn;
}
return NS_OK;
}